LineArt: Filtering intersection lines using mask numbers

Mask value works just like transparency mask.

You are able to select intersection lines inside a
collection or, between collections.

Reviewed By: Sebastian Parborg (zeddb)

Differential Revision: https://developer.blender.org/D11309

1 files changed, 9 insertions, 3 deletions

diff --git a/source/blender/makesdna/DNA_gpencil_modifier_types.h b/source/blender/makesdna/DNA_gpencil_modifier_types.h
index 0bd7e500044..40e4c65c4b8 100644
--- a/source/blender/makesdna/DNA_gpencil_modifier_types.h
+++ b/source/blender/makesdna/DNA_gpencil_modifier_types.h
@@ -883,11 +883,14 @@ typedef enum eLineArtGPencilModifierFlags {
   LRT_GPENCIL_USE_CACHE = (1 << 4),
 } eLineArtGPencilModifierFlags;
 
-typedef enum eLineartGpencilMaterialMaskFlags {
+typedef enum eLineartGpencilMaskSwitches {
   LRT_GPENCIL_MATERIAL_MASK_ENABLE = (1 << 0),
   /** When set, material mask bit comparisons are done with bit wise "AND" instead of "OR". */
   LRT_GPENCIL_MATERIAL_MASK_MATCH = (1 << 1),
-} eLineartGpencilMaterialMaskFlags;
+  LRT_GPENCIL_INTERSECTION_MATCH = (1 << 2),
+} eLineartGpencilMaskSwitches;
+
+struct LineartCache;
 
 struct LineartCache;
 
@@ -918,8 +921,11 @@ typedef struct LineartGpencilModifierData {
   float opacity;
   short thickness;
 
-  unsigned char material_mask_flags; /* eLineartGpencilMaterialMaskFlags */
+  unsigned char mask_switches; /* eLineartGpencilMaskSwitches */
   unsigned char material_mask_bits;
+  unsigned char intersection_mask;
+
+  char _pad[7];
 
   /** `0..1` range for cosine angle */
   float crease_threshold;